Home / 42,017.14-63,025.53-12,435.16

Finding the Fourth Proportional to 42,017.14, 63,025.53 and 12,435.16

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Solution

The fourth proportional to 42,017.14, 63,025.53 and 12,435.16 is: 18,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017.14 : 63,025.53 = 12,435.16 : x
  2. Step 2: Convert to fraction form
    42,017.14/63,025.53 = 12,435.16/x
  3. Step 3: Cross multiply
    42,017.14x = 63,025.53 × 12,435.16
  4. Step 4: Simplify right side
    42,017.14x = 783,732,549.63
  5. Step 5: Solve for x
    x = 783,732,549.63/42,017.14
  6. Step 6: Final answer
    x = 18,652.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.